Fix bug in inverter current data extractor

It was supposed to extract data for the inverter, but was doing so for
the meter.

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

src/frequenz/sdk/microgrid/component/_component_data.py

@@ -308,9 +308,9 @@ def from_proto(cls, raw: microgrid_pb.ComponentData) -> InverterData:
             timestamp=raw.ts.ToDatetime(tzinfo=timezone.utc),
             active_power=raw.inverter.data.ac.power_active.value,
             current_per_phase=(
-                raw.meter.data.ac.phase_1.current.value,
-                raw.meter.data.ac.phase_2.current.value,
-                raw.meter.data.ac.phase_3.current.value,
+                raw.inverter.data.ac.phase_1.current.value,
+                raw.inverter.data.ac.phase_2.current.value,
+                raw.inverter.data.ac.phase_3.current.value,
             ),
             active_power_inclusion_lower_bound=raw_power.system_inclusion_bounds.lower,
             active_power_exclusion_lower_bound=raw_power.system_exclusion_bounds.lower,